<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>测试</title>
<script language="javascript">
function show()
{
}
</script>
</head>
<body>
<form id="form1">
<input type="button" onclick="javascript:show();" value="打开视频" />
</form>
</body>
</html>